<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../react18/react.development.js"></script>
    <script src="../react18/react-dom.development.js"></script>
    <script src="../react18/babel.min.js"></script>
    <script src="../react18/prop-types.js"></script>
</head>

<body>
    <div id="app"></div>
    <script type="text/babel">
        class App extends React.Component {
            render() {
                return (
                    <div>
                        姓名: <input type="text" ref={c => this.nameEle = c} />
                        <br />
                        年龄: <input type="text" ref={c => this.ageEle = c} />
                        <br />
                        爱好: <input type="text" ref={c => this.hobbyEle = c} />
                        <br />
                        <button onClick={this.handle}>提交</button>
                    </div>

                )
            }
            handle = () => {
                const name = this.nameEle.value;
                const age = this.ageEle.value;
                const hobby = this.hobbyEle.value;
                console.log(name,age,hobby);
            }
        }
        const root = ReactDOM.createRoot(document.getElementById('app'));
        root.render(<App />)


    </script>
</body>

</html>